Product
Vivo V21
Vivo V21
Samsung Galaxy C7 Pro
Samsung Galaxy C7 Pro
Battery
Charging 33W wired, 63% in 30 min 18W wired
Type 4000 mAh Li-Ion 3300 mAh, non-removable
Body
Build Glass front, plastic frame, plastic back Glass front (Gorilla Glass 4), aluminum back, aluminum frame
Dimensions 159.7 x 73.9 x 7.3 mm (6.29 x 2.91 x 0.29 in) 156.5 x 77.2 x 7 mm (6.16 x 3.04 x 0.28 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 176 g (6.21 oz) 172 g (6.07 oz)
Comms
Bluetooth 5.1, A2DP, LE 4.2, A2DP, LE
NFC No Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS
Radio No FM radio
USB USB Type-C 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass 4
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 1920 pixels, 16:9 ratio (~386 ppi density)
Size 6.44 inches, 100.1 cm2 (~84.8% screen-to-body ratio) 5.7 inches, 89.6 cm2 (~74.1% screen-to-body ratio)
Type AMOLED, 90Hz, HDR10+, 500 nits (typ) Super AMOLED
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
  - ANT+
Launch
Announced 2021, April 27 2017, January. Released 2017, February
Status Available. Released 2021, May 05 Discontinued
Main Camera
Features LED flash, HDR, panorama Dual-LED dual-tone flash, panorama, HDR
Single - 16 MP, f/1.9, AF
Triple 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 4K@30fps (no OIS), 1080p@30/60fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 256GB 8GB RAM 64GB 4GB RAM
  UFS 2.2 eMMC 5.1
Misc
Colors Dusk Blue, Sunset Dazzle Gold, Pink Gold, Dark Blue
Models V2066, V2108 SM-C7010, SM-C701F, SM-C7018
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 39, 40, 41 1, 3, 5, 7, 8, 38, 39, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Our Tests
Battery (old) Endurance rating 123h -
Display Contrast ratio: Infinite (nominal) -
Loudspeaker -28.2 LUFS (Average) -
Performance AnTuTu: 336699 (v8), 365055 (v9) GeekBench: 6516 (v4.4), 1600 (v5.1) GFXBench: 17fps (ES 3.1 onscreen) GeekBench: 4037 (v4.4) GFXBench: 3.4fps (ES 3.1 onscreen)
Platform
Chipset Mediatek Dimensity 800U (7 nm) Qualcomm MSM8953-Pro Snapdragon 626 (14 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core 2.2 GHz Cortex-A53
GPU Mali-G57 MC3 Adreno 506
OS Android 11, Funtouch 11.1 Android 6.0.1 (Marshmallow), upgradable to Android 8.0 (Oreo)
Selfie camera
Features Dual-LED flash, HDR -
Single 44 MP, f/2.0, (wide), AF, OIS 16 MP, f/1.9, 27mm (wide), 1/3.06", 1.0µm
Video 4K@30fps (no OIS), 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes Yes